@article{KJM_2004_26_1_a0,
     author = {Harishchandra S. Ramane and Hanumappa B. Walikar and Siddani Bhaskara Rao and B. Devadas Acharya and Prabhakar R. Hampiholi and Sudhir R. Jog and Ivan Gutman},
     title = {Equienergetic graphs},
     journal = {Kragujevac Journal of Mathematics},
     pages = {5 - 13},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {2004},
     zbl = {1080.05061},
     url = {http://geodesic.mathdoc.fr/item/KJM_2004_26_1_a0/}
}